Abstract: Realizes a structure for a transreflective liquid crystal display device in which one pixel is defined by four or more picture elements, the structure providing a high aperture ratio and being suitable for display for which the transmission mode is prioritized. A liquid crystal display device according to the present invention is a transreflective liquid crystal display device, comprising a plurality of picture elements including a first picture element, a second picture element, a third picture element and a fourth picture element for displaying different colors from one another; in which each of the plurality of picture elements includes a transmission area for providing display in a transmission mode and a reflection area for providing display in a reflection mode. Each picture element includes a mesh portion shaped to be meshable with an adjacent picture element; and the reflection area of each picture element is located in the mesh portion.

Abstract: The invention provides a LCD including an insulating substrate; a plurality of first signal lines formed on the insulating substrate; a plurality of second signal lines crossing and insulated from the first signal lines; a plurality of thin film transistors (TFT) coupled with the first and second signal lines; and a plurality of pixels including a plurality of first sub-pixel electrodes coupled with the TFTs and a plurality of second sub-pixel electrodes capacitively coupled with the first sub-pixel electrodes, wherein the pixels include a red (R) pixel, a green (G) pixel, and a blue (B) pixel and a voltage ratio or an area ratio of the second sub-pixel electrode with respect to the first sub-pixel electrode is different among the R, G, and B pixels to improve a brightness ratio of R, G, and B components at a lateral position.

Abstract: Various embodiments of a sub-pixel octal grouping are disclosed. The octal grouping may comprise three-color sub-pixels with one colored sub-pixel comprising twice the number of positions within the octal sub-pixel grouping as the other two colored sub-pixels. Various embodiments for performing sub-pixel rendering on the sub-pixel groupings are disclosed.

Abstract: A reflective liquid crystal display (LCD) is provided for efficiently preventing white coordinates from being yellowish. The LCD includes a substrate having red color filters, green color filters, and blue color filters. The blue color filters have an overall area smaller than that of the red color filters and the green color filters while blocking green light better than the red color filters and blocking red light better than the green color filters.

Abstract: Embodiments of the invention include a method, device and/or system for displaying a color image having a plurality of more-than-three primary color pixels The device may include, for example, an array of sub-pixel elements of at least four different primary colors, wherein the total number of sub-pixel elements in the array is significantly smaller than a multiplication product of the number of more-than-three-primary color pixels in the image multiplied by the number of the at least four different primary colors. Other embodiments are described and claimed.

Abstract: A color liquid crystal display device capable of displaying a large color gamut is provided. A color liquid crystal display device 100 includes: a transmissive color liquid crystal panel 10 having a color filter and a backlight light source 20, in which the backlight light source 20 includes a fluorescent lamp 21 of large color reproduction range, a color filter 19 is made of color filters of three primary colors that select the wavelength to transmit red light, green light and blue light, and the filter of each color has a spectroscopic characteristic suitable for the spectrum of the fluorescent lamp 21 of large color reproduction range.

Abstract: A color filter layer includes a first region and a second region, wherein the number of times that light used for display is transmitted through the color filter layer is different between the first region and the second region.

Abstract: This invention relates generally to a four-color liquid crystal display, and more particularly, to a structure of a pixel of a transreflective liquid crystal display adopting a rendering method and four-color technology. The four-color LCD includes a plurality of pixels, each pixel including a set of six subpixels arranged in a 2×3 matrix. Each subpixel has a transmissive area and a reflective area. A first subpixel, included in the set of six subpixels, has a reflective area equal to or larger than the transmissive area, while each of the remaining subpixels has a transmissive area larger than the reflective area. The four-color LCD adopting the rendering technology realizes full-color display without a yellowish phenomenon.

Abstract: A liquid crystal display cell (110) includes: an opposing substrate (130) having an opposing electrode (Ecom); an array substrate (120) having a pixel electrode Dpix for each color; a liquid crystal layer (140) arranged in a bend arrangement located between the opposing substrate (120) and the array substrate (120); and red, green, and blue filter layers (CF(R), CF(G), CF(B)) arranged on one of the substrates. Distances (dB, dG, dR) between the pixel electrodes of the respective colors (dpixR, dpixG, dpixB) and the opposing electrode (Ecom) are set as follows: dB<dR, dB.

Abstract: For the purpose of preventing line defects from occurring on a display screen in consequence of uneven coating of pigmented layers, a first pigmented layer is formed in a pattern obtained by thinning out a portion in an otherwise complete grid every other pixel in a direction of signal lines and also every other pixel in a direction of scanning lines.

Abstract: A color filter substrate is provided with a transparent substrate and color filters of three colors with a bored part provided at every pixel on the transparent substrate. Color filters neighboring to each other in one direction are connected to each other. A thin film transistor is to oppose to the bored part. Data lines are to be aligned along said one direction.

Abstract: Various embodiments of a sub-pixel octal grouping are disclosed. The octal grouping may comprise three-color (red, green and blue) sub-pixels with blue colored subpixel comprising twice the number of positions within the octal sub-pixel grouping as the red and green colored sub-pixels. Various embodiments for performing sub-pixel rendering on the sub-pixel groupings are disclosed.

Abstract: An LCD (Liquid Crystal Display) includes a first panel having a first resolution; a second panel having a second resolution, the second resolution lower than the first resolution; and a compensation pattern on an array substrate of the second panel for maintaining a cell gap. According to the present invention, though a color filter layer of the second panel having the lower resolution has a lower thickness, a uniform cell gap can be maintained.

Abstract: The present invention provides a color transflective liquid crystal display that is capable of display with good coloring and high visibility in both a reflective mode and a transmissive mode while suppressing deterioration in color reproduction caused by unevenness of the spectral properties of the illumination light, if any. The liquid crystal display can include a liquid crystal display panel including pixels formed of a plurality of sub-pixels each corresponding to different colors, and an illumination device, wherein the liquid crystal display panel includes a transflective layer and a color filter of color corresponding to each of the sub-pixels.

Abstract: Disclosed is a liquid crystal display panel having one or more light holes in the reflection region for improving the aperture ratio and color uniformity at different view angles. The light holes are formed at the reflection region having an alignment protrusion as a center. The light holes are substantially arranged around the alignment protrusion with substantially identical total area, or at least one light hole formed at the reflection region having the alignment protrusion in the light hole as a center.

Abstract: To provide a liquid crystal display device having high visibility and high image quality by relieving color phase irregularity. A light-shielding layer is selectively provided so as to overlap with a contact hole for electrical connection to a source region or a drain region of a thin film transistor. Alternatively, by providing an opening portion of a colored layer (color filter) with an opening so as to overlap with a contact hole, uneven alignment of liquid crystal molecules does not influence display, and a liquid crystal display having high image quality can be provided.

Abstract: An exemplary liquid crystal display (2) includes a liquid crystal panel (20), and a backlight module (22) located adjacent to the liquid crystal panel. The liquid crystal panel includes a first substrate assembly (24) and a second substrate assembly (26) parallel to the first substrate assembly. The second substrate assembly includes a color filter layer (262). The color filter layer includes red units, green units, and blue units. The red, green and blue units are approximately strip-shaped. A ratio of a width of each red unit to a width of each green unit is in direct proportion to a ratio of the wavelength of red light to the wavelength of green light. A ratio of the width of each green unit to a width of each blue unit is in inverse proportion to a ratio of the wavelength of green light to the wavelength of blue light.

Abstract: A four color liquid crystal display (LCD) including red, green, blue, and white sub-pixels are provided. The LCD also includes a plurality of gate lines for transmitting gate signals to the sub-pixels and a plurality of data lines for transmitting data signals to the sub-pixels. The white sub-pixel is smaller than the other sub-pixels, and each of the data lines passes between adjacent two sub-pixels and includes at least one curved portion. Furthermore, the lengths of the data lines are substantially uniform.

Abstract: A four color liquid crystal display is provided, which includes: a plurality of first and second dots arranged in a matrix, pixels each of the first dots including three primary color pixels and each of the second dots including two primary color pixels and a white pixel, each pixel including a pixel electrode and a switching element; a plurality of gate lines extending in a row direction for transmitting a gate signal to the switching elements; and a plurality of data lines extending in a column direction for transmitting data signals to the switching elements, wherein the first dots and the second dots are alternately arranged both in a row direction and in a column direction.

Abstract: A color filter substrate including first areas and second areas includes a base substrate, a color filter layer and a planarization layer formed in the second areas, and a transparent electrode. The color filter layer includes a plurality of color filters formed in the first and second areas. At least one of the color filters formed in a second area has an opening that exposes a portion of the base substrate The planarization layer 130 may be formed by a one-step exposing process that uses a mask having a transparent portion, a translucent portion and a shading portion. Therefore, the process may be simplified, and a display quality of a display apparatus may be improved.

Abstract: A method and apparatus for driving a liquid crystal display (LCD) panel having pixels arranged in a matrix pattern, wherein each pixel includes two sub-pixels capable of transmitting complementary colors, includes a light source array having first to third light sources and a data driver for applying data signals to the LCD panel during first and second sub-frames of the LCD panel, wherein the first and second sub-frames constitute a single frame of the LCD panel. Two of the first to third light sources may be activated during each sub-frame to emit light to the liquid crystal display panel, wherein a full color image is realized in only two sub-frames.

Abstract: An in plane switching mode liquid crystal display device and its fabrication method are disclosed.

Abstract: An electro-optical device includes a plurality of subpixel regions forming a display field and a color filter including a plurality of color layers of which at least one is of an additive primary color. The color layers have different color hues and at least two of the color layers are arranged in at least one of the subpixel regions so as not to overlap with each other in plan view. A method for manufacturing the electro-optical device includes forming the color layers such that at least two of the color layers are arranged in at least one of the subpixel regions so as not to overlap with each other in plan view. An electronic apparatus includes the electro-optical device.

Abstract: A LCD panel is disclosed that provides improved performance of the frame area that surrounds the panel's display area. The frame area includes a transparent substrate, and color filters provided side-by-side on the transparent substrate, each of the color filters filtering one of at least two colors. The LCD panel is further constituted by a first electrode that counters the color filters, a second electrode that counters the first electrode, and liquid crystal that is inserted between the electrodes. Display spots are suppressed and the frame can appear in a desired color when the panel is in operation.

Abstract: A projection display system includes a projection lens assembly that has multiple projection lens elements that are configured to receive light imparted with display information by a pixelated display device. The projection lens elements project the light toward a display screen. A pixel-shifting element is included within the projection lens assembly to cyclically shift between at least two positions within the projection lens assembly to form at a display screen at least two interlaced arrays of pixels. An electro-mechanical transducer is coupled to the pixel-shifting element to impart on it the cyclic shifting between positions.

Abstract: A LCD device includes a first substrate including a plurality of pixels each having a white (W) sub-pixel and red (R), green (G), blue (B) and yellow (Y) sub-pixels surrounding the W sub-pixel; thin film transistors each connected to gate and data lines over the first substrate; first to fourth pixel electrodes connected to each of the thin film transistors and disposed to correspond to one of the R, G, B and Y sub-pixels; a color filter layer including red (R), green (G), blue (B) and yellow (Y) color filters on a second substrate, each of the R, G, B and Y color filters corresponding to one of the R, G, B and Y sub-pixels; a common electrode on the color filter layer; and a liquid crystal layer interposed between the color filter layer and the first to fourth pixel electrodes.

Abstract: A liquid crystal display device including a color filter is disclosed in the present invention. The liquid crystal display device includes a first substrate where a plurality of sub-pixels are defined thereon, a second substrate spaced apart from the first substrate, and a color filter layer on the second substrate, facing into the first substrate, and having a red sub-color filter, a green sub-color filter, and a blue sub-color filter, wherein one blue sub-color filter corresponds to two sub-pixels adjacent to each other in a first direction perpendicular to a second direction where the red, green, and blue sub-color filters are alternately located.

Abstract: An electro-optical device is provided comprising an electro-optical material and means for applying an electric field to the electro-optical material, in which a plurality of pixel regions DR, DG and DB capable of separately controlling optical states of the electro-optical material are arranged and each pixel region is provided with a light transmitting portion (an aperture portion (212aR, 212aG, and 212aB)) and a light reflecting portion (a reflective surface (212R, 212G, and 212B)). At adjacent pixel regions that are arranged in a predetermined direction, end edges Ea and Eb of each of the light transmitting portions orthogonal to the predetermined arrangement direction are aligned with each other.

Abstract: A projection display system includes a projection lens assembly that has multiple projection lens elements that are configured to receive light imparted with display information by a pixelated display device. The projection lens elements project the light toward a display screen. A pixel-shifting element is included within the projection lens assembly to cyclically shift between at least two positions within the projection lens assembly to form at a display screen at least two interlaced arrays of pixels. An electro-mechanical transducer is coupled to the pixel-shifting element to impart on it the cyclic shifting between positions.

Abstract: A transflective liquid crystal display has a plurality of pixel electrode layers corresponding to a plurality of color elements. A first pixel electrode layer has a first reflective region and a first transmissive region. A second pixel electrode layer has a second reflective region and a second transmissive region. A third pixel electrode layer has a third reflective region and a third transmissive region. The first reflective region is larger than the second reflective region, and the first reflective region is larger than the third reflective region.

Abstract: Within a reflective display section R, a part of a light that reaches a reflective electrode through a color filter exits to the outside through slits and a part of a light that reaches the reflective electrode through the slits exits to the outside through the color filter. In addition, a light reaching the reflective electrode through the color filter and exiting to the outside through the color filter, and a light having no opportunity to pass through the slits also can be observed. Therefore, a mean film thickness of color filter through which all lights pass during the time in which they travel the associated distance after they are inputted to the inside until they are outputted to the outside becomes nearly equal to that could be observed in the transmissive section T.

Abstract: An array substrate for an in-plane switching liquid crystal display device includes a substrate, gate lines arranged in a first direction on the substrate, data lines crossing the gate lines to define a pixel region, the pixel region consists of four sub-pixel regions, a switching element at the crossing of the gate and data lines, a pixel electrode in each of the sub-pixel regions, and a common electrode alternatively arranged with the pixel electrode to form a plurality of blocks in each of the sub-pixel regions. Two of the sub-pixel regions include an n-number of blocks (n is a natural number). Two of the sub-pixel regions include an (n+2)-number of blocks.

Abstract: Pixels of red, blue and green are sequentially arranged in the row direction. The red and green pixels are alternately arranged in the column while the blue pixels being arranged between the neighboring red and each blue pixel is surrounded by the four red and green pixels. Gate lines are arranged at respective pixel rows. Data lines cross over the gate lines in an insulating manner and are arranged at the respective pixel columns. Pixel electrodes and thin film transistor are arranged at the respective pixels. At a predetermined pixel unit, the data lines to the two blue pixel are connected to each other. The pixel electrodes are overlapped with the gate lines or data lines via a passivation layer of low dielectric organic material or insulating material such as SiOC, SiOF.

Abstract: A liquid crystal display device of the present invention includes: first and second substrates including a plurality of pixels, wherein each pixel divided into first to third sub-pixels; a double-layered cholesteric liquid crystal color filter (CCF) layer over the first substrate, the double-layered CCF layer including a first CCF layer including first and second CCF with a ratio of 1:2 in size and a second CCF layer including third and fourth CCF with a ratio of 2:1 in size; a first transparent electrode on the double-layered CCF layer; a second transparent electrode on the second substrate; a liquid crystal layer between the first and second transparent electrodes; and a backlight device adjacent to the first substrate and emitting light toward the first and second substrates.

Abstract: A thin film transistor liquid crystal display is designed such that TFTs for driving green pixels are formed in the blue pixel regions. This improves the overall brightness of the liquid crystal display based on the human view-sensitive characteristics.

Abstract: A liquid crystal display is provided, which includes a liquid crystal panel assembly including a plurality of red, green, blue and white pixel areas, and a backlight unit placed at a side of the liquid crystal panel assembly. The light emitted from the backlight unit has a color coordinate (x, y) where x ranges from about 0.31 to about 0.34, and y ranges from about 0.32 to about 0.35.

Abstract: The present invention relates to a color filter with mosaic pixel array arrangement. The color filter comprises a plurality of pixel arrays. The pixel array has four sub-pixels. The color of the sub-pixel of the pixel array is identical to that of another sub-pixel of another pixel array adjacent to the pixel array. The sub-pixels with same color form a sub-pixel group so that the area of a single color of the sub-pixel group is increased. Therefore, the adhesion strength between the sub-pixel group and the substrate can be augmented to avoid peeling from the substrate. According to the invention, the yield rate of the product will be raised and the chromaticity will be improved.

Abstract: The present invention provides a color transflective liquid crystal display that is capable of display with good coloring and high visibility in both a reflective mode and a transmissive mode while suppressing deterioration in color reproduction caused by unevenness of the spectral properties of the illumination light, if any. The liquid crystal display can include a liquid crystal display panel including pixels formed of a plurality of sub-pixels each corresponding to different colors, and an illumination device, wherein the liquid crystal display panel includes a transflective layer and a color filter of color corresponding to each of the sub-pixels.

Abstract: Within a reflective display section R, a part of a light that reaches a reflective electrode through a color filter exits to the outside through slits and a part of a light that reaches the reflective electrode through the slits exits to the outside through the color filter. In addition, a light reaching the reflective electrode through the color filter and exiting to the outside through the color filter, and a light having no opportunity to pass through the slits also can be observed. Therefore, a mean film thickness of color filter through which all lights pass during the time in which they travel the associated distance after they are inputted to the inside until they are outputted to the outside becomes nearly equal to that could be observed in the transmissive section T.

Abstract: Pixels of red, blue and green are sequentially arranged in the row. The red and green pixels are alternately arranged in the column while the blue pixels being repeatedly arranged in the column. The four red and green pixels surrounding the two blue pixels at the two neighboring pixel rows face each other around the blue pixels. Gate lines are arranged at the respective rows to transmit scanning signals. Data lines cross over the gate lines in an insulating manner, and are arranged at the respective columns to transmit picture signals. Pixel electrodes and thin film transistor are formed at respective pixels. The blue pixel has the same area as or an area smaller than the red and green pixels. The pixel electrodes are overlapped with the gate or the data lines via a passivation layer of low dielectric organic material or an insulating material such as SiOC, SiOF.

Abstract: The present invention is provided for obtaining a liquid crystal display device and a mobile phone which exhibit the low power consumption and do not damage the display quality. To this end, a display part of the liquid crystal display device is divided into two regions, wherein one region performs a display in a semi-transmission type or in a reflection type and the other region performs a display in a transmission type. Further, the display is performed in a state that the liquid crystal display device is incorporated into the mobile phone.

Abstract: A liquid crystal display device is provided with a plurality of color filters 12R, 12G, and 12B corresponding to colors of red base, green base, and blue base, respectively, and a reflection layer 22 placed on the side opposite to observation side with respect to a liquid crystal and color filters 12. A plurality of fine crest portions and trough portions are formed on the surface of the reflection layer 22. In the reflection layer 22, the mirror reflectivity of the region facing the color filter of at least one color is different from the mirror reflectivities of the regions facing the color filters of the other colors. Specifically, the mirror reflectivity of the region facing the blue-based color filter 12B in the reflection layer 22 is higher than the mirror reflectivities of the regions facing the red-based and green-based color filters 12R and 12G in the reflection layer 22.

Abstract: An arrangement of color elements for a color filter. Each of color element groups comprises a first color element, a second color element, a third color element and a fourth color element arranged in sequence. The first color element, the second color element, and the third color element comprising three colors. The second color element and the fourth color element are identical in color and width. An active width W1 of the first color element and an active width W2 of the second color element satisfy the formula: W1=A×W2, A=1.7˜2.3. An active width W3 of the third color element and the active width W2 of the second color element satisfy the formula; W3=B×W2, B=1.7˜2.3.

Abstract: Color layers R, G, and B of a color filter are arranged in a delta pattern. A data line (212) for applying a voltage to the sub-pixels is connected, through TFD (220), to pixel electrodes (234) of the sub-pixels respectively corresponding to the three colors in a fixed order in a periodic pattern, and pixel electrodes (234) commonly connected to a single data line (212) are arranged to the same side of the data line (212). The potential of the sub-pixels for a particular color are equally influenced by the potential of the sub-pixels of other colors.

Abstract: A method of fabricating a color filter that is adaptive for reducing an exposure process of the color filter. In the method, a material layer for forming the color filter in which a color changes in accordance with an exposed light quantity is formed on a transparent substrate. Three primary color filters are formed by differentiating the amount of exposed light on the material layer.

Abstract: Disclosed is a color liquid crystal display device including an upper plate section having color filters, a lower plate section having a patterned electrode structure for each of red, green, and blue pixels, and a liquid crystal interposed between the upper and lower plate sections, wherein the pixels have different electrode widths and different slit widths for different colors, respectively. Respective pixel electrode widths (ER, EG, and EB) associated with the red, green, and blue colors have a relation of “ER≦EG≦EB”, and respective slit widths (SR, SG, and SB) associated with the red, green, and blue colors have a relation of “SB≦SG≦SR”.

Abstract: A tiled display may include subpixels that may be partially occluded by an overlaying matrix. The matrix hides the joints between adjacent tiles. The partial occlusion of one subpixel of a pixel may result in chromatic shifts and/or luminance reduction. The partially occluded subpixel may be compensated for by providing an extra light producing subpixel of the same color on the opposite side of the matrix opening.

Abstract: A small-size liquid crystal capable of exhibiting good color balance and light utilization efficiency is formed of a layer of liquid crystal, two-dimensionally arranged pixel electrodes disposed so as to apply voltages to the liquid crystal and, together with the liquid crystal, form two-dimensionally arranged pixels each corresponding to one pixel electrode and designed to emit light of one of a plurality of colors, and an array of microlenses disposed to illuminate each pixel with a condensed light spot of illumination light of one of the plurality of colors. In the device, pixels of at least one of the plurality of colors are set to have a pixel size different from those of pixels of the other color(s).

Abstract: The liquid crystal display is composed of an array substrate on which TFTs are arranged as active switching elements in a matrix form and covered with an orientation film. On the facing surface of the opposing substrate as a color filter, a light shielding film, color layers of red, green, and blue are arranged. The area excluding the area covered by the light shielding layer is turned into a display pixel area, and the surfaces of the opposing substrate are covered with an orientation film. The cell gap g at the display pixel area is larger than spacers in the cell, and cell gaps of color layers, which are compressed, overlapping the light shielding layer are smaller than spacers. The liquid crystal molecules are not subjected to the anomalous orientation and the light leakage is avoided. An after-image characteristic can be eliminated by regulating the projection of the color layers.

Abstract: A color filter frame, which covers a non-display surface of an optical display section, is provided with frame color filter picture elements using at least two of three colors used for color filter picture elements, which correspond to displaying pixels. An area ratio of the frame color filter picture elements corresponding to different colors is set so as to be different from that of the color filter picture elements, which correspond to the colors used in the frame color filter picture elements. With this arrangement, it is possible to omit the step of manufacturing a black mask so as to reduce the cost; consequently, a color filter for an optical display device can be provided with an excellent appearance on a display.